Mathematics

In the given measure, measure of  $\angle {b}$ and $\angle {x}$ are

$\angle x = 90^{\circ}\quad \angle b = 90^{\circ}$

SOLUTION
$\angle x$ is a vertically opposite angle to 90 degrees. Hence $x=90^o$
$\angle b$ and $\angle x$ form a linear pair of angles.
$90+\angle b=180\implies \angle b=90^o$

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Single Correct Medium Published on 09th 09, 2020
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